AI-generatedAtlantic City at a glance
- Best time
- Jul – Sep
- Warmest month
- Jul · 28°
- Warmest sea
- Aug · 23.9°
- Sunshine a year
- 2,280 h
- Rain a year
- 1,083 mm
- Climate
- Temperate
- Time zone
- UTC−5 / UTC−4
- Elevation
- 2 m
Climate in Atlantic City
Atlantic City has a temperate climate with warm summers and cool winters. July is the warmest month with average highs of 28 °C, while January is the coolest at 5 °C. With around 2,280 hours of sunshine a year, Atlantic City is sunny; July is the sunniest month with 8.1 hours a day.
Holiday weather through the year
Weather in October
Holiday weather in October
Poor
Best time to visit: July – September
October is the peak of the hurricane season
Good forSightseeing & walks
Keep in mindStorm season
A typical day in October
- Morning, 08:00: about 14°
- Midday, 13:00: about 18°
- Afternoon, 16:00: about 18°
- Evening, 20:00: about 16°
- Night, 23:00: about 15°
07:0618:20
Cool evenings: pack a jumper or a jacket.
Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.
Light for photos in October
- Golden hour
- Morning 06:50–07:42 · evening 17:44–18:37
- Blue hour
- Morning 06:39–06:50 · evening 18:37–18:47
Golden hour: the sun between 4° below and 6° above the horizon; blue hour: 6° to 4° below it. Times for the 15th of the month; mountains and clouds shift the light.
What is the weather like in Atlantic City in October?
In October, Atlantic City is mild: daytime highs average 18 °C, and nights cool down to about 13 °C. The sea averages 18.4 °C – bracing, so a wetsuit helps for longer swims. Expect around 6 hours of sunshine a day. Rain falls on about 8 days, adding up to 98 mm. All in all, October is not an ideal month for a holiday in Atlantic City.
More details for October
- Daylight
- 11 h 14 min07:06 – 18:20
- UV index
- 4 · moderateclear sky, noon (estimate)All months
- Muggy days
- 2 daysdew point 18 °C or moreAll months
- Wind
- 21 km/haverage daily peakAll months
- Cloud cover
- 50 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Snow days
- 0 days1 cm or more of fresh snowAll months
- Time zone
- UTC−4America/New_York
How the score comes together
- Temperatureweight 35 %0 %
- Seaweight 25 %20 %
- Sunshineweight 20 %45 %
- Few rainy daysweight 20 %72 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in October
- Wetsuit for longer swims
- Sunscreen
- A jumper for the evenings
Sea temperature in Atlantic City
Monthly sea surface temperature with the range of cooler and warmer years.
8 in 10 years: 17.3 – 20.0 °C
Swimming season: Jul – Sep
- cold
- fresh
- refreshing
- pleasant
- warm
- very warm
The sea temperature in Atlantic City ranges from 4.3 °C in February to 23.9 °C in August. It is warm enough for a comfortable swim (20 °C and more) from July to September.
The sea warms up slowly: it is warmest in August, while the air already peaks in July. From November to January the sea is even warmer than the afternoon air. The sea temperature varies from year to year: in August, eight out of ten years were between 22.7 and 25.0 °C.
| Month | Average | Cool year | Warm year | Feels |
|---|---|---|---|---|
| JanuaryJan | 5.7° | 4.5° | 7.0° | cold |
| FebruaryFeb | 4.3° | 2.9° | 5.7° | cold |
| MarchMar | 5.5° | 4.0° | 6.7° | cold |
| AprilApr | 8.8° | 7.6° | 9.9° | cold |
| MayMay | 13.6° | 12.5° | 14.7° | cold |
| JuneJun | 19.2° | 17.9° | 20.3° | fresh |
| JulyJul | 23.1° | 21.9° | 24.8° | pleasant |
| AugustAug | 23.9° | 22.7° | 25.0° | pleasant |
| SeptemberSep | 22.4° | 21.3° | 23.2° | refreshing |
| OctoberOct | 18.4° | 17.3° | 20.0° | fresh |
| NovemberNov | 13.5° | 12.5° | 14.2° | cold |
| DecemberDec | 9.0° | 7.9° | 10.6° | cold |
Sunshine hours in Atlantic City
Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.
In October, the sun shines for about 5.7 of 11.2 hours of daylight in Atlantic City, 51 % of the day.
Sunshine hours: estimated from radiation data (ERA5, 1996–2025) and calibrated against measured station values; no weather station is close enough here. Daylight is the time from sunrise to sunset on the 15th of the month.
UV index in Atlantic City
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 4 · moderateAround midday seek shade; use sunscreen, a hat and sunglasses.
The sun is strongest in June (UV 10).
Minutes until sunburn in October
- Very fair skin
- about 30 min
- Fair skin
- about 40 min
- Light brown skin
- about 55 min
- Olive skin
- about 70 min
Rough guide for unprotected skin at noon under a clear sky; clouds lengthen it, water, sand and snow shorten it. Sunscreen extends the time only partly.
Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.
Rain in Atlantic City: rainy days and rainfall
A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.
In October, Atlantic City has about 8 rainy days with 98 mm of rain in total.
Wind and clouds in Atlantic City
How breezy and how cloudy Atlantic City is through the year. Tap a month to select it on the whole page.
Wind
Typical daily peak of the wind in km/h: what the afternoon breeze usually reaches, not the gusts.
In October, the wind in Atlantic City typically peaks at 21 km/h during the day: Beaufort 4, moderate breeze.
Breezy months for windsurfing and kiting
From Beaufort 4 (20 km/h) the daily breeze is usually enough for windsurfing and often for kiting: Oct – May.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 50 % of the sky over Atlantic City: variable cloud, with about 5.7 hours of sunshine a day.
Wind: mean daily maximum of the hourly wind 10 m above ground (ERA5, 1996–2025). Gusts are stronger, and the model grid of about 28 km smooths out local effects such as capes and valley winds. Clouds: mean total cloud cover of all layers over day and night (ERA5, 1996–2025). Thin high cloud counts as cover even when the sun still shines through.
Heat and humidity in Atlantic City
How often the day gets hot in Atlantic City (30 °C and more), and in which months heat and humidity come together. Tap a month to select it.
Heat calendar
- pleasant
- some hot or muggy days
- often muggy
- often hot
- hot and muggy
In October, Atlantic City has about 0 hot days, with an average daytime high of 18 °C: pleasant. Heat plays no part this month.
Hot days reach at least 30 °C; a month counts as muggy when the mean dew point reaches 18 °C on at least 15 days. Averages from ERA5 and ERA5-Land, 1996–2025. Muggy nights through the year
Snow in Atlantic City
Snow is possible in Atlantic City, but no month makes it likely: the chance of seeing snow during a week's stay, the days with fresh snow and how much falls. Tap a month to select it.
Snow calendar
- hardly any
- possible
- likely
- very likely
In October, it hardly ever snows in Atlantic City.
Snow days bring at least 1 cm of fresh snow. Fresh snow comes from ERA5 snowfall (1996–2025) at the height of the place, not on the slopes above it; the snow chance also weighs whether the snow settles. An estimate from climate averages, not a snow report.
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Atlantic City
How warm the nights get in each month, from the mean night-time low. Tap a month for details.
- Frost below 0°
- Cold 0–8°
- Cool 8–15°
- Pleasant 15–20°
- Warm 20–24°
- muggy month (10+ muggy days)
CoolOctober: nights around 13°. A duvet at night and a jumper for the evening. Muggy on about 2 days (dew point 18 °C or more).
The coolest nights are in January (−1°), the warmest in July (22°). Tropical nights of 20 °C and more are the rule from July to August; then air conditioning or a fan helps you sleep. Nights are pleasant for sleeping (15 to 20 °C) in June and in September. Nights fall below 8 °C on average from November to March, so the room should be heated. It is muggy (dew point 18 °C or more) on about 74 days a year, mostly from June to September.
Temperatures through the year
Average daytime high, night-time low and sea temperature per month.
| Month | Score | Day | Night | Sea | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|---|
| JanuaryJan | 19 | 5° | −1° | 5.7° | 4.8 h | 9 | 83 |
| FebruaryFeb | 20 | 6° | 0° | 4.3° | 5.3 h | 9 | 83 |
| MarchMar | 22 | 10° | 3° | 5.5° | 6.1 h | 10 | 103 |
| AprilApr | 25 | 15° | 8° | 8.8° | 6.9 h | 10 | 88 |
| MayMay | 27 | 19° | 13° | 13.6° | 7.2 h | 10 | 80 |
| JuneJun | 66 | 24° | 19° | 19.2° | 7.8 h | 10 | 86 |
| JulyJul | 84 | 28° | 22° | 23.1° | 8.1 h | 11 | 91 |
| AugustAug | 85 | 27° | 22° | 23.9° | 7.4 h | 11 | 104 |
| SeptemberSep | 71 | 24° | 19° | 22.4° | 6.1 h | 9 | 93 |
| OctoberOct | 28 | 18° | 13° | 18.4° | 5.7 h | 8 | 98 |
| NovemberNov | 22 | 13° | 7° | 13.5° | 5.1 h | 8 | 73 |
| DecemberDec | 17 | 8° | 2° | 9.0° | 4.4 h | 9 | 102 |
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences
39.36° N, 74.42° W · 2 m · America/New_York
Best time to visit Atlantic City
The best time to visit Atlantic City is from July to September. For a beach holiday with the sea above 21 °C, go from July to September. For sightseeing, day trips and hiking, conditions are most comfortable from May to October. The wettest month is August with 104 mm of precipitation.
Atlantic City through the seasons
How the weather changes over the seasons, with averages for each.
Atlantic City in spring
Mar – May
Poor
- 10–19 °C by day
- Sea 9 °C
- 7 h of sun a day
- 30 rainy days in all
Atlantic City in summer
Jun – Aug
Good
- 24–28 °C by day
- Sea 22 °C
- 8 h of sun a day
- 32 rainy days in all
Atlantic City in autumn
Sep – Nov
Fair
- 13–24 °C by day
- Sea 18 °C
- 6 h of sun a day
- 24 rainy days in all
Atlantic City in winter
Dec – Feb
Poor
- 5–8 °C by day
- Sea 6 °C
- 5 h of sun a day
- 28 rainy days in all
Find your perfect month
Tell us what you like and we rate every month in Atlantic City for you.
Your best months: July – August
Based on the climate averages; tap a month to see its details.
Compare two months in Atlantic City
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
August has the better holiday weather in Atlantic City: score 85 against 28. In August, days are 9 °C warmer than in October. The sea is 6 °C warmer in August. August has 3 more rainy days. The sun shines 2 hours longer a day in August.
| Month | October | August |
|---|---|---|
| Weather score | 28 | 85better |
| Day high | 18° | 27° |
| Night low | 13° | 22° |
| Sea | 18.4° | 23.9° |
| Sunshine | 5.7 h | 7.4 hbetter |
| Rainy days | 8better | 11 |
| Rainfall | 98 mm | 104 mm |
| Muggy days | 2better | 22 |
Based on the climate averages 1996–2025.
Which month for what?
Beach & swimming
Jul – Sep
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
May – Oct
15–28 °C and not too much rain
Snow
Jan – Feb
Snow on 2 or more days
Atlantic City month by month
The typical weather for every month at a glance.
19January5° · Sea 6° · 5 h
In January, Atlantic City is cold: daytime highs average 5 °C, and nights often drop below freezing (−1 °C). The sea averages 5.7 °C – swimming is only for the hardy. Expect around 5 hours of sunshine a day. Rain is frequent, with about 9 rainy days and 83 mm in total. Snow falls on about 3 days. All in all, January is not an ideal month for a holiday in Atlantic City.
Atlantic City in January20February6° · Sea 4° · 5 h
In February, Atlantic City is cold: daytime highs average 6 °C, and nights cool down to about 0 °C. The sea averages 4.3 °C – swimming is only for the hardy. Expect around 5 hours of sunshine a day. Rain is frequent, with about 9 rainy days and 83 mm in total. Snow falls on about 3 days. All in all, February is not an ideal month for a holiday in Atlantic City.
Atlantic City in February22March10° · Sea 6° · 6 h
In March, Atlantic City is cold: daytime highs average 10 °C, and nights cool down to about 3 °C. The sea averages 5.5 °C – swimming is only for the hardy. Expect around 6 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 103 mm in total. All in all, March is not an ideal month for a holiday in Atlantic City.
Atlantic City in March25April15° · Sea 9° · 7 h
In April, Atlantic City is cool: daytime highs average 15 °C, and nights cool down to about 8 °C. The sea averages 8.8 °C – swimming is only for the hardy. The sun shines for around 7 hours a day. Rain is frequent, with about 10 rainy days and 88 mm in total. All in all, April is not an ideal month for a holiday in Atlantic City.
Atlantic City in April27May19° · Sea 14° · 7 h
In May, Atlantic City is mild: daytime highs average 19 °C, and nights cool down to about 13 °C. The sea averages 13.6 °C – swimming is only for the hardy. The sun shines for around 7 hours a day. Rain is frequent, with about 10 rainy days and 80 mm in total. All in all, May is not an ideal month for a holiday in Atlantic City.
Atlantic City in May66June24° · Sea 19° · 8 h
In June, Atlantic City is warm: daytime highs average 24 °C, and nights cool down to about 19 °C. The sea averages 19.2 °C – bracing, so a wetsuit helps for longer swims. The sun shines for around 8 hours a day. Rain is frequent, with about 10 rainy days and 86 mm in total. All in all, June is a good month for a holiday in Atlantic City.
Atlantic City in June84July28° · Sea 23° · 8 h
In July, Atlantic City is hot: daytime highs average 28 °C, and even at night it stays warm at around 22 °C. The sea averages 23.1 °C – pleasant for swimming. The sun shines for around 8 hours a day. Rain is frequent, with about 11 rainy days and 91 mm in total. On about 5 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, July is an excellent month for a holiday in Atlantic City.
Atlantic City in July85August27° · Sea 24° · 7 h
In August, Atlantic City is warm: daytime highs average 27 °C, and even at night it stays warm at around 22 °C. The sea averages 23.9 °C – pleasant for swimming. The sun shines for around 7 hours a day. Rain is frequent, with about 11 rainy days and 104 mm in total. The air is often humid and muggy. All in all, August is an excellent month for a holiday in Atlantic City.
Atlantic City in August71September24° · Sea 22° · 6 h
In September, Atlantic City is warm: daytime highs average 24 °C, and nights cool down to about 19 °C. The sea averages 22.4 °C – refreshing for a swim. Expect around 6 hours of sunshine a day. Rain falls on about 9 days, adding up to 93 mm. All in all, September is a good month for a holiday in Atlantic City.
Atlantic City in September28October18° · Sea 18° · 6 h
In October, Atlantic City is mild: daytime highs average 18 °C, and nights cool down to about 13 °C. The sea averages 18.4 °C – bracing, so a wetsuit helps for longer swims. Expect around 6 hours of sunshine a day. Rain falls on about 8 days, adding up to 98 mm. All in all, October is not an ideal month for a holiday in Atlantic City.
Atlantic City in October22November13° · Sea 14° · 5 h
In November, Atlantic City is cool: daytime highs average 13 °C, and nights cool down to about 7 °C. The sea averages 13.5 °C – swimming is only for the hardy. Expect around 5 hours of sunshine a day. Rain falls on about 8 days, adding up to 73 mm. All in all, November is not an ideal month for a holiday in Atlantic City.
Atlantic City in November17December8° · Sea 9° · 4 h
In December, Atlantic City is cold: daytime highs average 8 °C, and nights cool down to about 2 °C. The sea averages 9.0 °C – swimming is only for the hardy. Expect around 4 hours of sunshine a day. Rain is frequent, with about 9 rainy days and 102 mm in total. All in all, December is not an ideal month for a holiday in Atlantic City.
Atlantic City in DecemberAtlantic City compared
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Atlantic City vs. Cape May
In October the holiday weather in Atlantic City and Cape May is about equally good (score 28 vs. 29). During the day it is about as warm in Cape May as in Atlantic City. The sea in Cape May is 1 °C warmer.
| in October | Atlantic City | Cape May |
|---|---|---|
| Holiday score | 28 | 29 |
| Daytime high | 18° | 18° |
| Sea | 18° | 19° |
| Sunshine | 6 h | 6 h |
| Rainy days | 8 | 8 |
| Best time | Jul – Sep | Jul – Aug |
Through the year
USA in October: the best places
In October, Atlantic City ranks 22 among the 31 nearest destinations in this country.
- Charlotte22°85
- 2Raleigh22°84
- 3Richmond21°82
- 4Washington20°19°81
- 5Philadelphia19°18°79
- 6Baltimore19°18°79
- 7New York18°18°77
- 8Columbus18°76
- 22Atlantic CityThis page18°18°28
Planning a trip to Atlantic City
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Atlantic City in the school holidays
How the weather suits the usual holiday periods. Dates vary by school and region, so each holiday uses the months it usually falls in.
Atlantic City has its best school-holiday weather during the summer holidays (score 85) and its weakest during the Christmas holidays (score 18).
- 24
Easter holidays
Mar – Apr
Poor
- 13 °C by day
- Sea 8 °C
- 6.7 h of sun a day
- 10 rainy days a month
- 35
May half-term
May – Jun
Poor
- 20 °C by day
- Sea 15 °C
- 7.3 h of sun a day
- 10 rainy days a month
Good for: Sightseeing & walks
- 85
Summer holidays
Jul – Aug
ExcellentBest holidays
- 27 °C by day
- Sea 24 °C
- 7.6 h of sun a day
- 11 rainy days a month
Good for: Beach & swimming, Sightseeing & walks
Keep in mind: Storm season
- 28
October half-term
Oct
Poor
- 18 °C by day
- Sea 18 °C
- 5.7 h of sun a day
- 8 rainy days a month
Good for: Sightseeing & walks
Keep in mind: Storm season
- 18
Christmas holidays
Dec – Jan
Poor
- 7 °C by day
- Sea 7 °C
- 4.6 h of sun a day
- 9 rainy days a month
Keep in mind: Snow
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 7 h 20 min
- Distance
- 5,670 km
- Time zone
- UTC−4
- Jet lag
- About 3 days (5 h west)
Rule of thumb for flying west: for a few days before, stay up a little later, and get afternoon and evening light at your destination.
Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.
Storm season
Atlantic City lies in an area that Atlantic hurricanes can reach. The hurricane season runs from June to November, with most storms from August to October. A direct hit on any one place is rare, but if you travel then, keep an eye on weather warnings and book flexibly.
- January
- February
- March
- April
- May
- June: Season
- July: Season
- August: Peak
- September: Peak
- October: Peak
- November: Season
- December
Official season dates of the regional warning centres (NOAA, JMA, IMD, Météo-France, BoM); not a forecast.
Frequently asked questions about Atlantic City
When is the best time to visit Atlantic City?
The best time to visit Atlantic City is from July to September. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
How warm is the sea in Atlantic City?
The sea temperature in Atlantic City ranges from 4.3 °C in February to 23.9 °C in August. It is warm enough for a comfortable swim (20 °C and more) from July to September.
Can you swim in Atlantic City in October?
Only if you don't mind cold water: in October the sea averages just 18.4 °C. Comfortable swimming is possible from July to September.
What is the warmest month in Atlantic City?
July is the warmest month, with average highs of 28 °C and nights around 22 °C. January is the coolest month at 5 °C.
When does it rain most in Atlantic City?
The wettest month is August with 104 mm of precipitation. The driest month is November with 73 mm.
How many hours of sunshine does Atlantic City get?
Atlantic City gets around 2,280 hours of sunshine a year. The sunniest month is July with 8.1 hours a day; in December there are 4.4 hours a day.
What time zone is Atlantic City in?
Atlantic City uses the time zone America/New_York: UTC−5 in January and UTC−4 in July.
How long is the flight from London to Atlantic City?
A nonstop flight from London to Atlantic City takes about 7 h 20 min, for a straight-line distance of about 5,670 km.
When is hurricane season in Atlantic City?
Atlantic City lies in an area that Atlantic hurricanes can reach. The hurricane season runs from June to November, with most storms from August to October. A direct hit on any one place is rare, but if you travel then, keep an eye on weather warnings and book flexibly.
Which school holidays are best for Atlantic City?
Atlantic City has its best school-holiday weather during the summer holidays (score 85) and its weakest during the Christmas holidays (score 18). Holiday ratings (0–100): Easter holidays 24, May half-term 35, Summer holidays 85, October half-term 28, Christmas holidays 18.
Near Atlantic City
Other destinations close by.
Places with a climate like Atlantic City
Destinations whose weather through the year is closest to Atlantic City's – good alternatives.